After more than 60 people were killed in demonstrations against the transfer of the USA embassy to Jerusalem on May 14, Israel seized on comments by a Hamas official that the vast majority were affiliated with the movement, which both the European Union and the United States blacklist as a terrorist group.
In the final stretch of the campaign, Netanyahu needs to keep the Israel-Gaza frontier quiet, without seeming to make concessions to Hamas.
The IDF said they responded with "riot dispersal means" including live ammunition.
The protesters threw stones at the Israeli soldiers.
Gaza medics said that one Palestinian man was killed by Israeli fire before dawn on Saturday near the boundary.
Trucks carrying food and fuel rolled into Gaza through the reopened Kerem Shalom crossing on Sunday despite the firing of several rockets at southern Israel overnight and Israeli tank fire on Hamas positions in response.
Almost 270 Palestinian demonstrators have been killed by Israeli army gunfire since Palestinians began holding regular demonstrations along the Gaza-Israel buffer zone in March of a year ago.
The Israeli forces remained at the border area Saturday, and the military said it was expecting "violent riots" to take place and was prepared for escalation. Egyptian mediators were reported to have made progress towards a ceasefire between Israel and Hamas, the militant Palestinian organisation that controls Gaza, after a Hamas rocket hit a house north of Tel...
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What happened during earlier protests?
"In the coming days we hope to conclude the negotiations and achieve a real breaking of the blockade", Hamas chief in Gaza Yehya Sinwar told Reuters as he arrived at the protest.
Hamas blames the blockade and punitive measures by its West Bank-based rival, the Palestinian Authority, for worsening the living conditions. The Israeli military had no immediate comment.
March 30 also marks "Land Day", an annual commemoration of the deaths of six Arab citizens of Israel killed by Israeli security forces during demonstrations over government land confiscations in northern Israel in 1976.
Despite the bad weather, an Israeli security official said the turnout was larger than for the usual weekly protests and that it also appeared organisers were trying to keep violence from erupting. In Gaza a year ago, the date was also used to highlight the Palestinian right of return.
Hamas quickly took the lead in the protests, using the gatherings to call for an easing of the blockade. He said he planned to show his children the Israeli soldiers and return to safety before the protest started.
According to a Gaza rights group and a count by The Associated Press, 196 Palestinians were killed in the demonstrations over the past year, including 41 minors, and thousands were wounded by live fire.
Netanyahu called Bolsonaro a "good friend" and says Israel and Brazil have entered "a new era" of relations. The army accuses Hamas of using the large crowds as cover and encouraging demonstrators to hurl explosives, incendiary balloons and grenades across the border.
Yet despite the staggering toll of death and injury, and calls for accountability, Al Mezan said that "the worldwide community remains divided and hesitant to take a firm stance on the serious and increasing departures from global law standards and principles".